This video shows, how to remove the PAN-knob. Please note, that if you remove the PAN-knob, you need a rubber ring replacement, cause the ring is becoming defect by removing the PAN-knob.
PAN-knob remove detailed
Assembling after repair
To close the ball head again, do the steps from before in reverse order. Please remind, that you need a new rubber ring for the PAN-knob.
If you have any question, please feel free to ask us.